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. 2016 Jun 22;14:49. doi: 10.1186/s12951-016-0204-y

Fig. 6.

Fig. 6

In vitro ligand dependent FRET ratio change of FLIPK in the presence of l-lysine. Affinity mutants Y14A, R77L, F52A, D161I and S72A were developed. Mutations at position 14 tyrosine substituted by alanine (Y14A), arginine 77 to leucine (R77L), phenylalanine 52 to alanine (F52A), and aspartic acid 161 to isoleucine (D161I) and serine at 72 position by alanine (S72A). Concentration of sensor protein was 0.24 mg/ml. Values are means of three independent replications. Vertical bars indicate standard error